[1] Univ Udine, Dept Med, Infect Dis Div, Udine, Italy
[2] Azienda Sanit Univ Friuli Cent ASUFC, Udine, Italy
[3] Univ Autonoma Barcelona, Hosp Univ Vall Hebron, Infect Dis Dept, Barcelona, Spain
[4] Presidio Osped Univ Santa Maria Misericordia, Azienda Sanit Univ Friuli Cent ASUFC, Clin Malattie Infett, Piazzale Santa Maria Misericordia 15, I-33010 Udine, Italy